<template>
  <div class="my-tab-bar">
    <router-link
      v-for="(item, index) in list"
      :key="index"
      :to="item.path"
      class="link"
    >
      <div
        class="tab-item"
        :class="{ current: currentIndex === index }"
        @click="currentIndex = index"
      >
        <!-- 图标 -->
        <span class="iconfont" :class="item.iconText"></span>
        <!-- 文字 -->
        <span>{{ item.text }}</span>
      </div>
    </router-link>
  </div>
</template>

<script>
export default {
  props: {
    list: {
      type: Array,
      required: true,
      // 数据源必须在2-5之间
      // val 指的时数据
      // validator 返回true可以使用 否则不能使用
      validator(val) {
        if (val.length < 2 || val.length > 5) {
          console.error("props list length must be at between 2 and 5");
          return false;
        }
        return true;
      },
    },
  },
  data() {
    return {
      currentIndex: 0,
    };
  },
};
</script>

<style lang="less" scoped>
.my-tab-bar {
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 50px;
  border-top: 1px solid #ccc;
  display: flex;
  justify-content: space-around;
  align-items: center;
  background-color: white;
  .tab-item {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
}

.current {
  color: #1d7bff;
}
.link {
  text-decoration: none;
  color: #212529;
}
</style>